Porto (OPO) to Chicago (ORD) flight deal in economy from $628
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
ORDO'Hare International Airport
Chicago, United States
$844 USD
-26%$628 USD
Verified about 14 hours agoOctober 2026
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Sunday, October 18th, 2026
6 round-trip options
Returning
Mon, Oct 26, 2026•8 Day Trip
$641 USD
Returning
Tue, Oct 27, 2026•9 Day Trip
$656 USD
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Wed, Oct 28, 2026•10 Day Trip
$639 USD
Returning
Fri, Oct 30, 2026•12 Day Trip
$887 USD
Returning
Sat, Oct 31, 2026•13 Day Trip
$887 USD
Returning
Sun, Nov 1, 2026•14 Day Trip
$891 USD